159246-78-3

Spiro[2a,5a-epoxynaphtho[2,3-b:6,7-b']bisoxirene-2(1aH),2'-naphtho[1,8-de][1,3]dioxin]-3,6(3aH,6aH)-dione,4a,5-dihydro-5-hydroxy-, [1aR-(1aa,2ab,3aa,4aa,5a,5ab,6aa)]-